[INFO] cloning repository https://github.com/falconre/finch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/falconre/finch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffalconre%2Ffinch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffalconre%2Ffinch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1150c9eb747b7c7e77e01c20a641fd6757209f32
[INFO] checking falconre/finch against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffalconre%2Ffinch" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/falconre/finch on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/falconre/finch
[INFO] finished tweaking git repo https://github.com/falconre/finch
[INFO] tweaked toml for git repo https://github.com/falconre/finch written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/falconre/finch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74d2ca0270d71d68e69bf39623bedcf5dba4190ccfd14571d3c5e6bacbef36cf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "74d2ca0270d71d68e69bf39623bedcf5dba4190ccfd14571d3c5e6bacbef36cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74d2ca0270d71d68e69bf39623bedcf5dba4190ccfd14571d3c5e6bacbef36cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74d2ca0270d71d68e69bf39623bedcf5dba4190ccfd14571d3c5e6bacbef36cf", kill_on_drop: false }`
[INFO] [stdout] 74d2ca0270d71d68e69bf39623bedcf5dba4190ccfd14571d3c5e6bacbef36cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3c1ba8482137c8207a5105dd40840b053687a6d4ce1dbeebd36a9a1577a9c786
[INFO] running `Command { std: "docker" "start" "-a" "3c1ba8482137c8207a5105dd40840b053687a6d4ce1dbeebd36a9a1577a9c786", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking base64 v0.12.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking z3-sys v0.5.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking backtrace v0.3.41
[INFO] [stderr]    Compiling which v3.1.0
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]     Checking simplelog v0.7.4
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]    Compiling scroll_derive v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]     Checking goblin v0.2.0
[INFO] [stderr]     Checking rustyline v6.1.1
[INFO] [stderr]    Compiling falcon_capstone v0.4.0
[INFO] [stderr]     Checking falcon v0.4.12
[INFO] [stderr]     Checking falcon-z3 v0.4.12
[INFO] [stderr]     Checking falcon-finch v0.4.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 31s
[INFO] running `Command { std: "docker" "inspect" "3c1ba8482137c8207a5105dd40840b053687a6d4ce1dbeebd36a9a1577a9c786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c1ba8482137c8207a5105dd40840b053687a6d4ce1dbeebd36a9a1577a9c786", kill_on_drop: false }`
[INFO] [stdout] 3c1ba8482137c8207a5105dd40840b053687a6d4ce1dbeebd36a9a1577a9c786